36464444635657 has 2 divisors, whose sum is σ = 36464444635658. Its totient is φ = 36464444635656.

The previous prime is 36464444635637. The next prime is 36464444635667. The reversal of 36464444635657 is 75653644446463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36429783132681 + 34661502976 = 6035709^2 + 186176^2 .

It is an emirp because it is prime and its reverse (75653644446463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36464444635657 - 2¹¹ = 36464444633609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36464444635592 and 36464444635601.

It is not a weakly prime, because it can be changed into another prime (36464444635637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18232222317828 + 18232222317829.

It is an arithmetic number, because the mean of its divisors is an integer number (18232222317829).

Almost surely, 2^{36464444635657} is an apocalyptic number.

It is an amenable number.

36464444635657 is a deficient number, since it is larger than the sum of its proper divisors (1).

36464444635657 is an equidigital number, since it uses as much as digits as its factorization.

36464444635657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2090188800, while the sum is 67.

The spelling of 36464444635657 in words is "thirty-six trillion, four hundred sixty-four billion, four hundred forty-four million, six hundred thirty-five thousand, six hundred fifty-seven".